Lady Margaret Stewart Peerage person ID=107970 Parents Robert Stewart, Duke of Albany Margaret Graham, Countess of Menteith Children Sir John Swinton of that Ilk Siblings Lady Joan Stewart Murdoch Stewart Lady Mary Stewart Lady Janet Stewart Lady Elizabeth Stewart Lady Beatrice Stewart NN Stewart, of Albany John Stewart, Earl of Buchan Andrew Stewart Sir Robert Stewart Lady Marjorie Stewart Isabelle Stuart Margaret Drummond, Queen of Scotland Partners Sir John de Swinton of that Ilk